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Water Year
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COLUMBIA - BONNEVILLE DAM
(
BONO3
)
Forecasts for Water Year
2025
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-07-11
Issued:
2025-07-11
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
71707
72363
76
73717
95202
APR-JUL
62001
62087
75
62243
82678
JAN-SEP
92086
92742
79
94096
117770
JAN-JUL
82380
82466
78
82622
105246
OCT-SEP
106932
107588
80
108942
134527
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2025-07-11
Issued:
2025-07-11
Hide Forecast
APR-SEP
71668
72172
76
73669
95202
APR-JUL
61810
62072
75
62392
82678
JAN-SEP
92047
92551
79
94048
117770
JAN-JUL
82189
82451
78
82771
105246
OCT-SEP
106892
107397
80
108894
134527
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-11
Issued:
2025-07-11
Hide Forecast
APR-SEP
71778
72411
76
74050
95202
APR-JUL
61848
62162
75
62639
82678
JAN-SEP
92157
92790
79
94429
117770
JAN-JUL
82227
82541
78
83018
105246
OCT-SEP
107002
107636
80
109275
134527
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 246, 315, 348, 406, 447, 70, , 74
ESP10, 248, 318, 354, 409, 450, 73, , 77
ESP10, 249, 323, 355, 410, 451, 75, , 79
ESP10, 248, 323, 354, 408, 450, 77, , 81
ESP10, 247, 322, 355, 407, 450, 80, , 84
ESP10, 247, 321, 354, 406, 450, 82, , 86
ESP10, 248, 321, 355, 407, 450, 84, , 88
ESP10, 247, 321, 355, 406, 450, 87, , 91
ESP10, 240, 314, 352, 401, 445, 89, , 93
ESP10, 238, 315, 351, 401, 443, 92, , 96
ESP10, 236, 315, 351, 398, 442, 94, , 98
ESP10, 235, 314, 350, 402, 441, 96, , 100
ESP10, 237, 320, 353, 400, 447, 99, , 103
ESP10, 240, 324, 358, 414, 451, 101, , 105
ESP10, 238, 321, 354, 412, 449, 103, , 107
ESP10, 233, 320, 348, 408, 444, 106, , 110
ESP10, 232, 320, 346, 407, 442, 108, , 112
ESP10, 227, 316, 341, 402, 436, 110, , 114
ESP10, 226, 317, 341, 402, 434, 113, , 117
ESP10, 223, 308, 342, 399, 430, 115, , 119
ESP10, 221, 313, 343, 400, 431, 117, , 121
ESP10, 225, 318, 347, 413, 437, 120, , 124
ESP10, 220, 323, 343, 409, 435, 122, , 126
ESP10, 223, 327, 351, 412, 439, 124, , 128
ESP10, 223, 328, 354, 426, 441, 127, , 131
ESP10, 224, 333, 355, 426, 443, 129, , 133
ESP10, 226, 336, 359, 430, 444, 131, , 135
ESP10, 239, 341, 365, 433, 448, 134, , 138
ESP10, 241, 341, 366, 431, 447, 136, , 140
ESP10, 240, 341, 366, 431, 447, 139, , 143
ESP10, 226, 329, 354, 421, 435, 141, , 145
ESP10, 224, 325, 351, 416, 435, 143, , 147
ESP10, 231, 326, 355, 417, 440, 146, , 150
ESP10, 225, 318, 344, 407, 433, 148, , 152
ESP10, 223, 310, 333, 398, 425, 150, , 154
ESP10, 218, 309, 334, 398, 422, 153, , 157
ESP10, 226, 317, 339, 401, 429, 155, , 159
ESP10, 219, 306, 337, 392, 420, 157, , 161
ESP10, 221, 309, 336, 394, 421, 160, , 164
ESP10, 230, 316, 344, 400, 434, 162, , 166
ESP10, 246, 328, 354, 408, 448, 164, , 168
ESP10, 254, 341, 365, 413, 453, 167, , 171
ESP10, 251, 332, 360, 404, 445, 169, , 173
ESP10, 258, 333, 360, 413, 450, 171, , 175
ESP10, 228, 300, 331, 388, 423, 174, , 178
ESP10, 216, 288, 321, 376, 416, 176, , 180
ESP10, 222, 285, 326, 379, 423, 178, , 182
ESP10, 236, 292, 332, 386, 433, 181, , 185
ESP10, 252, 309, 341, 392, 444, 183, , 187
ESP10, 257, 315, 343, 394, 448, 186, , 190
ESP10, 252, 314, 341, 393, 445, 188, , 192
ESP10, 258, 321, 350, 398, 451, 190, , 194
ESP10, 264, 333, 356, 405, 454, 193, , 197
ESP10, 263, 333, 358, 405, 452, 195, , 199
ESP10, 261, 333, 354, 410, 448, 197, , 201
ESP10, 262, 333, 359, 411, 449, 200, , 204
ESP10, 256, 327, 357, 405, 445, 202, , 206
ESP10, 259, 327, 359, 414, 445, 204, , 208
ESP10, 260, 328, 364, 418, 446, 207, , 211
ESP10, 263, 328, 371, 421, 449, 209, , 213
ESP10, 264, 327, 376, 422, 453, 211, , 215
ESP10, 261, 324, 375, 419, 452, 214, , 218
ESP10, 258, 328, 374, 417, 450, 216, , 220
ESP10, 250, 319, 364, 408, 444, 218, , 222
ESP10, 253, 323, 366, 410, 448, 221, , 225
ESP10, 258, 327, 368, 414, 451, 223, , 227
ESP10, 253, 321, 362, 412, 446, 226, , 230
ESP10, 263, 332, 375, 428, 457, 228, , 232
ESP10, 265, 330, 373, 425, 460, 230, , 234
ESP10, 266, 327, 369, 418, 453, 233, , 237
ESP10, 282, 340, 383, 432, 467, 235, , 239
ESP10, 288, 341, 386, 435, 471, 237, , 241
ESP10, 283, 337, 380, 430, 470, 240, , 244
ESP10, 277, 328, 375, 422, 464, 242, , 246
ESP10, 257, 311, 356, 403, 449, 244, , 248
ESP10, 251, 302, 350, 397, 443, 247, , 251
ESP10, 249, 300, 352, 395, 444, 249, , 253
ESP10, 259, 309, 361, 396, 448, 251, , 255
ESP10, 260, 311, 358, 394, 448, 254, , 258
ESP10, 260, 312, 350, 390, 441, 256, , 260
ESP10, 262, 303, 346, 386, 434, 258, , 262
ESP10, 278, 310, 351, 391, 438, 261, , 265
ESP10, 273, 307, 345, 389, 432, 263, , 267
ESP10, 283, 315, 355, 396, 440, 265, , 269
ESP10, 273, 303, 351, 388, 431, 268, , 272
ESP10, 277, 306, 354, 398, 441, 270, , 274
ESP10, 273, 306, 353, 398, 439, 273, , 277
ESP10, 276, 308, 354, 401, 442, 275, , 279
ESP10, 272, 309, 354, 398, 440, 277, , 281
ESP10, 288, 317, 358, 401, 444, 280, , 284
ESP10, 291, 321, 361, 401, 444, 282, , 286
ESP10, 288, 318, 356, 397, 440, 284, , 288
ESP10, 287, 322, 360, 399, 443, 287, , 291
ESP10, 296, 333, 365, 404, 447, 289, , 293
ESP10, 286, 332, 369, 405, 443, 294, , 298
ESP10, 286, 338, 370, 409, 445, 296, , 300
ESP10, 287, 342, 371, 412, 446, 298, , 302
ESP10, 294, 342, 372, 413, 448, 301, , 305
ESP10, 303, 343, 378, 414, 450, 303, , 307
ESP10, 304, 345, 380, 417, 450, 305, , 309
ESP10, 305, 346, 380, 419, 453, 308, , 312
ESP10, 307, 348, 381, 420, 454, 310, , 314
ESP10, 310, 354, 382, 420, 455, 312, , 316
ESP10, 316, 356, 386, 421, 460, 315, , 319
ESP10, 316, 357, 388, 421, 459, 317, , 321
ESP10, 320, 359, 393, 423, 460, 320, , 324
ESP10, 319, 360, 394, 423, 459, 322, , 326
ESP10, 321, 369, 397, 424, 460, 324, , 328
ESP10, 326, 374, 401, 428, 462, 327, , 331
ESP10, 330, 376, 401, 429, 460, 329, , 333
ESP10, 338, 377, 402, 431, 462, 331, , 335
ESP10, 337, 377, 400, 432, 460, 334, , 338
ESP10, 329, 373, 398, 429, 459, 336, , 340
ESP10, 331, 375, 400, 429, 459, 338, , 342
ESP10, 333, 378, 404, 431, 462, 341, , 345
ESP10, 330, 372, 399, 426, 457, 343, , 347
ESP10, 319, 363, 388, 415, 447, 345, , 349
ESP10, 319, 366, 389, 416, 446, 348, , 352
ESP10, 320, 364, 389, 413, 443, 350, , 354
ESP10, 322, 366, 392, 416, 446, 352, , 356
ESP10, 336, 375, 399, 425, 455, 355, , 359
ESP10, 333, 373, 394, 421, 455, 357, , 361
ESP10, 330, 367, 391, 416, 453, 360, , 364
ESP10, 337, 369, 390, 416, 454, 362, , 366
ESP10, 337, 367, 388, 417, 451, 364, , 368
ESP10, 333, 365, 390, 413, 453, 367, , 371
ESP10, 332, 367, 388, 413, 450, 369, , 373
ESP10, 322, 357, 377, 403, 441, 371, , 375
ESP10, 337, 369, 388, 417, 448, 374, , 378
ESP10, 338, 367, 386, 414, 445, 376, , 380
ESP10, 348, 372, 390, 419, 449, 378, , 382
ESP10, 355, 380, 396, 424, 452, 381, , 385
ESP10, 354, 378, 393, 420, 449, 383, , 387
ESP10, 356, 382, 395, 423, 451, 385, , 389
ESP10, 345, 373, 389, 415, 443, 388, , 392
ESP10, 340, 369, 385, 413, 442, 390, , 394
ESP10, 338, 364, 383, 410, 440, 392, , 396
ESP10, 335, 363, 384, 411, 441, 395, , 399
ESP10, 336, 364, 385, 411, 445, 397, , 401
ESP10, 336, 364, 385, 410, 446, 399, , 403
ESP10, 338, 364, 386, 411, 446, 402, , 406
ESP10, 336, 354, 384, 405, 441, 404, , 408
ESP10, 331, 350, 378, 401, 433, 407, , 411
ESP10, 338, 358, 382, 406, 436, 409, , 413
ESP10, 346, 364, 388, 414, 440, 411, , 415
ESP10, 351, 366, 392, 418, 444, 414, , 418
ESP10, 350, 366, 393, 419, 444, 416, , 420
ESP10, 346, 364, 391, 416, 441, 418, , 422
ESP10, 342, 364, 390, 412, 436, 421, , 425
ESP10, 337, 363, 392, 409, 433, 423, , 427
ESP10, 336, 363, 392, 410, 433, 425, , 429
ESP10, 325, 359, 391, 406, 426, 428, , 432
ESP10, 326, 363, 396, 413, 428, 430, , 434
ESP10, 321, 359, 391, 410, 424, 432, , 436
ESP10, 316, 352, 386, 404, 420, 435, , 439
ESP10, 312, 344, 379, 395, 412, 437, , 441
ESP10, 312, 346, 379, 395, 413, 439, , 443
ESP10, 318, 351, 383, 398, 415, 442, , 446
ESP10, 321, 350, 381, 398, 414, 444, , 448
ESP10, 320, 351, 379, 397, 410, 446, , 450
ESP10, 310, 348, 370, 389, 403, 449, , 453
ESP10, 307, 338, 363, 385, 397, 451, , 455
ESP10, 301, 335, 357, 379, 394, 454, , 458
ESP10, 294, 334, 352, 374, 392, 456, , 460
ESP10, 297, 333, 354, 372, 388, 458, , 462
ESP10, 301, 340, 358, 378, 394, 461, , 465
ESP10, 300, 339, 355, 376, 393, 463, , 467
ESP10, 303, 340, 359, 379, 396, 465, , 469
ESP10, 311, 341, 365, 382, 397, 468, , 472
ESP10, 312, 333, 358, 375, 389, 470, , 474
ESP10, 316, 330, 356, 372, 387, 472, , 476
ESP10, 311, 325, 350, 366, 382, 475, , 479
ESP10, 297, 308, 336, 351, 369, 477, , 481
ESP10, 292, 302, 331, 346, 366, 479, , 483
ESP10, 296, 307, 334, 352, 367, 482, , 486
ESP10, 303, 316, 345, 359, 374, 484, , 488
ESP10, 308, 319, 349, 365, 378, 486, , 490
ESP10, 313, 329, 357, 373, 384, 489, , 493
ESP10, 317, 338, 364, 380, 393, 491, , 495
ESP10, 317, 335, 368, 381, 394, 494, , 498
ESP10, 314, 332, 366, 377, 391, 496, , 500
ESP10, 314, 331, 365, 377, 390, 498, , 502
ESP10, 307, 326, 359, 370, 384, 501, , 505
ESP10, 302, 325, 355, 370, 383, 503, , 507
ESP10, 302, 327, 359, 373, 381, 505, , 509
ESP10, 306, 332, 363, 377, 385, 508, , 512
ESP10, 310, 336, 364, 380, 388, 510, , 514
ESP10, 314, 334, 363, 379, 388, 512, , 516
ESP10, 315, 337, 365, 379, 388, 515, , 519
ESP10, 318, 341, 366, 380, 390, 517, , 521
ESP10, 321, 346, 368, 383, 392, 519, , 523
ESP10, 319, 346, 368, 383, 391, 522, , 526
ESP10, 319, 343, 367, 381, 388, 524, , 528
ESP10, 322, 349, 367, 380, 387, 526, , 530
ESP10, 328, 352, 371, 384, 391, 529, , 533
ESP10, 329, 351, 371, 383, 391, 531, , 535
ESP10, 331, 352, 371, 383, 391, 533, , 537
ESP10, 334, 349, 368, 383, 390, 536, , 540
ESP10, 337, 350, 370, 384, 391, 538, , 542
ESP10, 340, 353, 373, 386, 393, 541, , 545
ESP10, 341, 354, 375, 387, 394, 543, , 547
ESP10, 347, 364, 383, 394, 402, 545, , 549
ESP10, 350, 367, 386, 398, 407, 548, , 552
ESP10, 353, 371, 389, 399, 410, 550, , 554
ESP10, 353, 373, 391, 401, 411, 552, , 556
ESP10, 350, 370, 387, 398, 407, 555, , 559
ESP10, 347, 368, 384, 395, 405, 557, , 561
ESP10, 347, 369, 384, 394, 403, 559, , 563
ESP10, 353, 375, 388, 397, 408, 562, , 566
ESP10, 353, 375, 389, 397, 408, 564, , 568
ESP10, 360, 379, 395, 404, 414, 566, , 570
ESP10, 353, 373, 389, 398, 408, 569, , 573
ESP10, 354, 374, 390, 400, 410, 571, , 575
ESP10, 353, 372, 389, 398, 408, 573, , 577
ESP10, 353, 369, 387, 397, 406, 576, , 580
ESP10, 347, 366, 382, 392, 400, 578, , 582
ESP10, 346, 369, 381, 394, 400, 580, , 584
ESP10, 352, 375, 389, 401, 410, 583, , 587
ESP10, 349, 374, 383, 397, 406, 585, , 589
ESP10, 357, 378, 389, 403, 411, 588, , 592
ESP10, 359, 377, 387, 402, 410, 590, , 594
ESP10, 361, 378, 389, 403, 411, 592, , 596
ESP10, 367, 386, 398, 407, 416, 595, , 599
ESP10, 367, 383, 397, 406, 413, 597, , 601
ESP10, 371, 385, 398, 408, 416, 599, , 603
ESP10, 372, 384, 399, 408, 416, 602, , 606
ESP10, 371, 381, 398, 404, 413, 604, , 608
ESP10, 375, 383, 400, 407, 413, 606, , 610
ESP10, 375, 384, 401, 408, 415, 609, , 613
ESP10, 381, 393, 406, 412, 418, 611, , 615
ESP10, 385, 395, 407, 415, 419, 613, , 617
ESP10, 384, 395, 406, 412, 418, 616, , 620
ESP10, 388, 403, 411, 416, 423, 618, , 622
ESP10, 387, 400, 410, 415, 420, 620, , 624
ESP10, 386, 399, 409, 413, 420, 623, , 627
ESP10, 383, 395, 406, 410, 416, 625, , 629
ESP10, 383, 396, 405, 410, 415, 628, , 632
ESP10, 387, 398, 405, 412, 416, 630, , 634
ESP10, 394, 402, 410, 416, 420, 632, , 636
ESP10, 398, 406, 415, 420, 424, 635, , 639
ESP10, 400, 407, 416, 421, 426, 637, , 641
ESP10, 401, 408, 417, 422, 427, 639, , 643
ESP10, 403, 409, 416, 423, 426, 642, , 646
ESP10, 402, 410, 414, 421, 425, 644, , 648
ESP10, 408, 413, 420, 424, 429, 646, , 650
ESP10, 406, 412, 417, 424, 427, 649, , 653
ESP10, 405, 410, 416, 423, 426, 651, , 655
ESP10, 406, 410, 415, 423, 425, 653, , 657
ESP10, 410, 415, 420, 426, 428, 656, , 660
ESP10, 409, 415, 420, 422, 424, 679, , 683
ESP10, 410, 417, 421, 424, 425, 682, , 686
ESP10, 410, 417, 421, 424, 426, 684, , 688
ESP10, 412, 420, 424, 426, 428, 686, , 690
ESP10, 415, 423, 427, 430, 432, 689, , 693
ESP10, 417, 423, 427, 430, 432, 691, , 695
ESP10, 419, 426, 429, 432, 433, 693, , 697
ESP10, 420, 426, 429, 432, 433, 696, , 700
ESP10, 420, 426, 430, 431, 433, 698, , 702
ESP10, 422, 428, 432, 433, 435, 700, , 704
ESP10, 421, 428, 431, 432, 434, 703, , 707
ESP10, 421, 428, 431, 433, 434, 705, , 709
ESP10, 424, 429, 433, 435, 436, 707, , 711
ESP10, 425, 428, 432, 434, 435, 710, , 714
ESP10, 426, 429, 433, 435, 435, 712, , 716
ESP10, 425, 428, 432, 434, 435, 714, , 718
ESP10, 427, 430, 433, 435, 436, 717, , 721
ESP10, 427, 430, 434, 435, 436, 719, , 723
ESP10, 426, 429, 433, 434, 435, 722, , 726
ESP10, 427, 430, 433, 434, 435, 724, , 728
ESP10, 426, 430, 433, 435, 435, 726, , 730
ESP10, 427, 431, 433, 435, 436, 729, , 733
ESP10, 427, 432, 433, 435, 436, 731, , 735
ESP10, 425, 430, 431, 433, 435, 733, , 737
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/BONO3W_SQIN.ESPF10.csv
BONO3W_SQIN.ESPF0.csv|2025-07-11
BONO3W_SQIN.ESPF10.csv|2025-07-11
BONO3W_SQIN.ESPFM.csv|2025-07-11
APR-SEP
COLUMBIA - BONNEVILLE DAM
(
BONO3
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-07-11
Issued:
2025-07-11
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
67249
88495
93
113216
95202
APR-JUL
57428
76646
93
96447
82678
JAN-SEP
82582
107570
91
135875
117770
JAN-JUL
72516
94347
90
120708
105246
OCT-SEP
96536
122577
91
155350
134527
Move the mouse over the desired "Forecast Period" to display a graph.
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
Data Files
/chpsesp/ensemble/watersupply/BONO3W_SQIN.ESPF10.csv
BONO3W_SQIN.ESPF0.csv|2025-07-11
BONO3W_SQIN.ESPF10.csv|2025-07-11
BONO3W_SQIN.ESPFM.csv|2025-07-11
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
